citibank popmoney. easier banking. standard at citibank. makes it easy for anne to manage her finances when she's on the go. even when she's not going anywhere. citibank for ipad. easier banking. standard at citibank. >> obs of small historic airport in sonoma county is battle with a neighbor what he can build next door and whether it puts the pilot and public at risk. story tonight from dan noyes. >> 75-year-old sonoma valley airport is a magnet for vintage airplane buffs. and home to some very rare planes like this f 3 f one of only two in the world still playing in. pilots like ken cop came hear decades ago and planned to stay until the end. tinkering with the men that first flaw around the time he started flying as british para trooper in the 1940's. >> i decided i wanted being british i wanted a british airplane. >>reporter: even in this devoted crowd chris stands out. here he is on abc 7 in 1993 flying tourist and turning loop for the camera. he is a master builder restoring planes by hand. rebuilt over 20 of them. and actually bought